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Big Bore Kit 1070cc Custom

Conrods 151,0 mm
For BMW R100 models from 9/80 on

1101101_1
€2,470.00

Prices incl. VAT, plus shipping costs

Delivery time approx. 5 working days

  • 1101101
Plug & Play Kit with clearance as far as the camshaft is concerned. “Piston capacity can only be... more
Big Bore Kit 1070cc Custom
Plug & Play Kit with clearance as far as the camshaft is concerned.

“Piston capacity can only be replaced by even more piston capacity” – this was the adopted motto during the company-internal development of the Siebenrock Big Bore Kit. The goal of this construction was to enhance the motor characteristics which were already outstanding thanks to the Power and Replacement Kits. We didn’t just say this, we went out and did it and the result for all BMW 1000 cc models from 1981 onwards was the 1070 cc Big Bore Kit, which turned out to be the ultimate solution for sporty touring riders. After modification, an amazing 80 hp is available at an engine torque of 92Nm. That’s what we call a convincing result.

This performance boost was achieved using 151 millimetre long, high-stability connecting rods which, when weight-optimized and fitted with ARP screws, only put 450 grams on the scales. Quite apart from this, 98 millimetre, weight-optimized pistons are used which only weigh 428 grams including the rings, bolts and clips. Thanks to the well-designed piston form, it is not necessary to adapt the cylinder head to the big bore.
All of the parts required to mount the kit are included within the scope of delivery.

Camshaft ( our recommendation 1131800 or 1131820) , camshaft seal kit art.no.1114444 and Conrod bearing shell, art.no. 1124460, must be ordered seperately !

With MOT/TÜV approval and installation instruction.
Price for set.

For the classic BMW 2-valve Boxer models R 100, R 100CS, R 100RS, R 100RT, R 100RS Monolever (x), R 100RT Monolever (x), R 100GS (x), R 100R (x).
(x) = only permitted for vehicles up to 31.3.1994.

TIP
The use of dual ignition is strongly recommended.
Ready-to-install camshaft including camshaft gear and front camshaft bearing on request.
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Artikelbild Bearing shell conrod
Standard sized
For all BMW 2-valve models
€9.90
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Valve exhaust 38mm
For BMW R 75 and R 80 models
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134453
Artikelbild Valve keeper
For BMW R 45, R 65 models
€0.95
Prices incl. VAT, plus shipping costs
Part no. 1134136
Artikelbild Oilfilterset
OX36D two-piece Mahle
For BMW 2-valve with oilcooler
€14.65
Prices incl. VAT, plus shipping costs
Part no. 1142146
Artikelbild Set of silencers
38mm
For BMW /6 and /7 models
€349.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
Artikelbild Valve keeper
For BMW 2-valve models
Not for R 45 and R 65
€1.20
Prices incl. VAT, plus shipping costs
Part no. 1134325
Artikelbild Brake disc 2-2 perforation
Deep shape
For BMW R 45, R 65, R 80ST, R 80G/S
€189.00
Prices incl. VAT, plus shipping costs
Part no. 3411005
Artikelbild Mirror plastic
Short Left and right side
For BMW Paralever models
€29.90
Prices incl. VAT, plus shipping costs
Part no. 5116078
Artikelbild Gearbox gasket set
5-speed with kick starter
For BMW models from 9/80 on
€54.89
Prices incl. VAT, plus shipping costs
Part no. 2300596
Artikelbild Cylinder gasket set
For Power Kit 1000cc, Replacement Kit 1000cc
and BMW R 100 models from 9/1980 on
€39.95
Prices incl. VAT, plus shipping costs
Part no. 1100101
Artikelbild Valve Intake 44mm
For BMW R 100 models
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134751
Artikelbild Valve intake 42mm
For BMW 2-valve from R 75/5 on
Not for R 45 and R 65
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134234
Artikelbild Battery cover
Right side
For BMW R 80G/S, ST, R 65GS
€29.50
Prices incl. VAT, plus shipping costs
Part no. 4663640
Artikelbild Oil pan gasket
For BMW 2-valve models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 1113427
Artikelbild Valve Exhaust 40mm
45°
For BMW R 80, R 90, R 100
€58.00
Prices incl. VAT, plus shipping costs
Part no. 1134837
Artikelbild Grip rubber
Right side Square-cut Black
For BMW from /7 models up
€7.95
Prices incl. VAT, plus shipping costs
Part no. 3272812
Artikelbild Main bearing crankshaft
Standard red
For BMW 2-valver models
€39.50
Prices incl. VAT, plus shipping costs
Part no. 1111155
Artikelbild Valve spring
For all BMW 2-valve models
€5.25
Prices incl. VAT, plus shipping costs
Part no. 1134176
Artikelbild Big Bore Kit 1070cc
Conrods 151,0 mm
For BMW R100 models from 9/80 on
€2,750.00
Prices incl. VAT, plus shipping costs
Part no. 1101100
Artikelbild Big Bore Kit 1070cc Touring
Conrods 150,5mm
For BMW R 100 models from 9/80 on
€2,870.00
Prices incl. VAT, plus shipping costs
Part no. 1101110
NEW
1101111_1 Big Bore Kit 1070cc Touring
Conrods 150,5mm
For BMW R 100 models from 9/80 on
€2,590.00
Prices incl. VAT, plus shipping costs
Part no. 1101111
Artikelbild Asymmetrical camshaft
For BMW R 2V models from 9/78 on
€298.00
Prices incl. VAT, plus shipping costs
Part no. 1131800
11661002_1 Cylinder head Krauser
Left side
For Krauser 4-valve / MKM
€395.00
Prices incl. VAT, plus shipping costs
Part no. 11661002
1100103_1 Replacement Kit Extra 1000cc
Plug & Play
For BMW R 100 models from 9/1980 on
€985.00
Prices incl. VAT, plus shipping costs
Part no. 1100103
Artikelbild Camshaft Sport 320°
For BMW 2-valve from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131820
Artikelbild Power Kit 1000cc
Plug & Play
For BMW R 80 models from 9/1980 on
€899.00
Prices incl. VAT, plus shipping costs
Part no. 1100080
Artikelbild Double ignition kit
Silent Hektik
For BMW models from 9/78 on
€585.00
Prices incl. VAT, plus shipping costs
Part no. 1200100
Artikelbild Power Kit Extra 1000cc
With stainless steel push rod tubes
For BMW R 80 models from 9/80 on
€985.00
Prices incl. VAT, plus shipping costs
Part no. 1100082
Artikelbild Replacement Kit Extra 1000cc 99mm
Plug & Play
For R 100 models from 9/75 up to 9/80
€1,015.00
Prices incl. VAT, plus shipping costs
Part no. 1100105
Artikelbild Sport cam follower-tappet
Wank
For BMW 2-valve models
€124.00
Prices incl. VAT, plus shipping costs
Part no. 1133638
Artikelbild Piston for Big Bore Kit
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109022
Artikelbild Replacement Kit 1000cc
Plug & Play
For BMW R 100 models from 9/1980 on
€899.00
Prices incl. VAT, plus shipping costs
Part no. 1100100
Artikelbild Bearing shell conrod
Standard sized
For all BMW 2-valve models
€9.90
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Camshaft Sport 320°
For BMW 2-valve models from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131824
Artikelbild Double ignition kit
SDZ
For BMW 2-valve models from 9/78 on
€585.00
Prices incl. VAT, plus shipping costs
Part no. 1200150
Artikelbild Cylinder for Big Bore Kit
98mm
€446.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
Artikelbild Power Kit Extra 1000cc 97mm
For BMW /5 and /6 models up to 9/1975
€1,029.00
Prices incl. VAT, plus shipping costs
Part no. 1100072
NEW
1109015_1 Piston ring tension belt 92-98mm
For Power Kit, Replacement Kit and Big Bore Kit pistons
€22.50
Prices incl. VAT, plus shipping costs
Part no. 1109015
Artikelbild Complete exhaust system
Chrome
For BMW R 80G/S PD
€1,298.00
Prices incl. VAT, plus shipping costs
Part no. 1812920
Artikelbild Guidance sleeve
For Big Bore Kit
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1109009
Cylinder head Krauser Cylinder head Krauser
Right side
For Krauser 4-valve / MKM
€395.00
Prices incl. VAT, plus shipping costs
Part no. 11661003
Artikelbild Valve Cover Retro
Black semi-matt
For BMW 2-valve models
€86.90
Prices incl. VAT, plus shipping costs
Part no. 1112246
Artikelbild Oil pan distance ring
For BMW 2-valve Boxer models
€119.00
Prices incl. VAT, plus shipping costs
Part no. 1113100
Artikelbild Power Kit 1000cc 99mm
For BMW R 75, R 80, R 90 models
From 9/75 up to 9/80
€929.00
Prices incl. VAT, plus shipping costs
Part no. 1100084
Valve cover Krauser Valve cover Krauser
Left side
For Krauser 4-valve / MKM
€0.00
Prices incl. VAT, plus shipping costs
Part no. 11661902
11661809_1 Piston Krauser
1st oversize
For Krauser 4-valve / MKM
€170.00
Prices incl. VAT, plus shipping costs
Part no. 11661809
11661805_1 Piston Krauser
For Krauser 4-valve / MKM
€199.99
Prices incl. VAT, plus shipping costs
Part no. 11661805
Artikelbild Speedometer GS2 km version
For R 65GS, R 80G/S, R 80/100 GS, R 80GS Basic
"Plug and Play"
€299.00
Prices incl. VAT, plus shipping costs
Part no. 6212646
Artikelbild Conrod
For Big Bore Kit Touring
150,5 mm
€309.00
Prices incl. VAT, plus shipping costs
Part no. 1109044
Artikelbild Conrod
For Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild Piston
For Replacement Kit 1000cc
€199.00
Prices incl. VAT, plus shipping costs
Part no. 1100121
Artikelbild Brake disc 2-2 perforation
Deep shape
For BMW R 45, R 65, R 80ST, R 80G/S
€189.00
Prices incl. VAT, plus shipping costs
Part no. 3411005
Artikelbild Power Kit Extra 1000cc 99mm
With stainless steel pushrod tubes
For R 75, R 80, R 90, 9/75 up to 9/80
€1,015.00
Prices incl. VAT, plus shipping costs
Part no. 1100085
Artikelbild Valve Intake 44mm
For BMW R 100 models
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134751
Artikelbild Brake disc kit 320mm
With adapter
For BMW GS models
€297.00
Prices incl. VAT, plus shipping costs
Part no. 3410490
NEW
1109016_1 Tension band pliers for piston ring tension tape
For Power Kit, Replacement Kit, Big Bore Kit.
€74.50
Prices incl. VAT, plus shipping costs
Part no. 1109016
11001337395 Engine / Engine block
For BMW R 2V Boxer models
€2,111.00
Prices incl. VAT, plus shipping costs
Part no. 11001337395.1
11311338303 Camshaft
Used item / special regulation § 25a UStG
For BMW 2v Boxer models
€129.00
plus shipping costs
Part no. 11311338303.1
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